Home / 40,698.66-61,038.17-11,116.65

Finding the Fourth Proportional to 40,698.66, 61,038.17 and 11,116.65

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Solution

The fourth proportional to 40,698.66, 61,038.17 and 11,116.65 is: 16,672.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    40,698.66 : 61,038.17 = 11,116.65 : x
  2. Step 2: Convert to fraction form
    40,698.66/61,038.17 = 11,116.65/x
  3. Step 3: Cross multiply
    40,698.66x = 61,038.17 × 11,116.65
  4. Step 4: Simplify right side
    40,698.66x = 678,539,972.53
  5. Step 5: Solve for x
    x = 678,539,972.53/40,698.66
  6. Step 6: Final answer
    x = 16,672.29

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.